On Tue, Nov 21, 2006 at 03:33:57PM -0800, daveasterisk wrote: > Is there anyone who can help with this? > rxfax and txfax when called in the extensions do nothing and no error > are generated that I can find.
I asked something similar on the list a while ago, got no answers and took a look at the code myself and learned a little bit. Before I used System(tiff2pdf....) to detect errors, which wasn't so elegant, but worked well anyway. The description looks like this: *CLI> show application RxFAX -= Info about application 'RxFAX' =- [Synopsis] Receive a FAX to a file [Description] RxFAX(filename[|caller][|debug]): Receives a FAX from the channel into the given filename. If the file exists it will be overwritten. The file should be in TIFF/F format. The "caller" option makes the application behave as a calling machine, rather than the answering machine. The default behaviour is to behave as an answering machine. Uses LOCALSTATIONID to identify itself to the remote end. LOCALHEADERINFO to generate a header line on each page. Sets REMOTESTATIONID to the sender CSID. FAXPAGES to the number of pages received. FAXBITRATE to the transmition rate. FAXRESOLUTION to the resolution. Returns -1 when the user hangs up. Returns 0 otherwise. If you read the code, a return value of -1 means error and 0 means success, although not clearly stated so in the message above. So far, that is what you would expect, but return values are not testable in * dial plans, as far as I know. I modified app_rxfax.c to set FAXSTATUS to ERROR or SUCCESS and got it working, but then I discovered that the four return variables listed above are set only on success. I think that FAXPAGES would be the best to use for error checking. But still, you will not get a reason for the failure... There is a line in the code: ast_log(LOG_DEBUG, "Fax receive not successful - result (%d) %s.\n", result, t30_completion_code_to_str(result)); that shows us that written information on the type of error *is* available. These message are in the spandsp code I suppose. Regards: Håkan
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